[Toolserver-l] s3/s7 issues

River Tarnell river.tarnell at wikimedia.de
Tue Jan 18 20:08:45 UTC 2011


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Hi,

After the s3/s7 split at Wikimedia, which moved several databases from 
s3 to the new s7 cluster, we retained both databases on the same (s3) 
server, which is our usual policy in such cases.  

Unfortunately, over the last couple of days Wikimedia executed several 
DROP DATABASE statements on their s7 server, for the old s3 databases.  
These statements were replicated to our s3/s7 server and dropped the 
live databases on our server.  As a result:

* Several s3 databases (all of which start with 'a') are no longer 
  available
* s3 replication is halted due to the missing databases
* s7 replication is halted to prevent further destruction of data.

The only way to resolve this issue is to re-import the data from 
Wikimedia's databases, which will take a few days at least.

	- river.
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